| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | // $Id: G4PenelopeAnnihilationModel.hh,v 1.1 2008/11/04 10:14:56 pandola Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $
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| 28 | //
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| 29 | // Author: Luciano Pandola
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| 30 | //
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| 31 | // History:
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| 32 | // -----------
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| 33 | // 29 Oct 2008 L. Pandola 1st implementation. Migration from EM process
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| 34 | // to EM model
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| 35 | //
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| 36 | // -------------------------------------------------------------------
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| 37 | //
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| 38 | // Class description:
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| 39 | // Low Energy Electromagnetic Physics, Positron Annihilation
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| 40 | // with Penelope Model
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| 41 | // -------------------------------------------------------------------
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| 42 |
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| 43 | #ifndef G4PENELOPEANNIHILATIONMODEL_HH
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| 44 | #define G4PENELOPEANNIHILATIONMODEL_HH 1
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| 45 |
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| 46 | #include "globals.hh"
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| 47 | #include "G4VEmModel.hh"
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| 48 | #include "G4DataVector.hh"
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| 49 | #include "G4ParticleChangeForGamma.hh"
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| 50 |
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| 51 | class G4ParticleDefinition;
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| 52 | class G4DynamicParticle;
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| 53 | class G4MaterialCutsCouple;
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| 54 | class G4Material;
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| 55 |
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| 56 | class G4PenelopeAnnihilationModel : public G4VEmModel
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| 57 | {
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| 58 | public:
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| 59 |
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| 60 | G4PenelopeAnnihilationModel(const G4ParticleDefinition* p=0,
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| 61 | const G4String& processName ="PenAnnih");
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| 62 |
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| 63 | virtual ~G4PenelopeAnnihilationModel();
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| 64 |
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| 65 | virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
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| 66 |
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| 67 | virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition*,
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| 68 | G4double kinEnergy,
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| 69 | G4double Z,
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| 70 | G4double A=0,
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| 71 | G4double cut=0,
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| 72 | G4double emax=DBL_MAX);
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| 73 |
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| 74 | virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
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| 75 | const G4MaterialCutsCouple*,
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| 76 | const G4DynamicParticle*,
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| 77 | G4double tmin,
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| 78 | G4double maxEnergy);
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| 79 |
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| 80 | void SetVerbosityLevel(G4int lev){verboseLevel = lev;};
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| 81 | G4int GetVerbosityLevel(){return verboseLevel;};
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| 82 |
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| 83 | protected:
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| 84 | G4ParticleChangeForGamma* fParticleChange;
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| 85 |
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| 86 | private:
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| 87 | G4double ComputeCrossSectionPerElectron(G4double energy);
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| 88 |
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| 89 | G4PenelopeAnnihilationModel & operator=(const G4PenelopeAnnihilationModel &right);
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| 90 | G4PenelopeAnnihilationModel(const G4PenelopeAnnihilationModel&);
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| 91 |
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| 92 | G4int verboseLevel;
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| 93 | G4bool isInitialised;
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| 94 |
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| 95 | G4double fIntrinsicLowEnergyLimit;
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| 96 | G4double fIntrinsicHighEnergyLimit;
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| 97 |
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| 98 | //Stored here so it is not recalculated every time
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| 99 | G4double fPielr2;
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| 100 | };
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| 101 |
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| 102 | #endif
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| 103 |
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